Home / 780,002.46-1,169,200.92-380,148.48

Finding the Fourth Proportional to 780,002.46, 1,169,200.92 and 380,148.48

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Solution

The fourth proportional to 780,002.46, 1,169,200.92 and 380,148.48 is: 569,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,002.46 : 1,169,200.92 = 380,148.48 : x
  2. Step 2: Convert to fraction form
    780,002.46/1,169,200.92 = 380,148.48/x
  3. Step 3: Cross multiply
    780,002.46x = 1,169,200.92 × 380,148.48
  4. Step 4: Simplify right side
    780,002.46x = 444,469,952,552.60
  5. Step 5: Solve for x
    x = 444,469,952,552.60/780,002.46
  6. Step 6: Final answer
    x = 569,831.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.